Abstract
The feature extraction accuracy and efficiency of traditional urban agglomeration construction land spatial expansion pattern evolution characteristics analysis methods still need to be further improved. Therefore, an analysis method of urban agglomeration construction land spatial expansion pattern evolution characteristics based on environmental characteristics is proposed. This method uses Gaussian weighting function to select remote sensing image feature points of urban agglomeration construction land and extract urban environmental features. According to the extraction results, the expansion parameters of urban agglomeration construction land are calculated, and the evolution characteristic analysis function is constructed. Experimental results show that the proposed method analyse the evolution of the characteristics, can be effectively extracting features of the evolution pattern of city group extension, and has a high efficiency, the maximum efficiency of the analysis and the extraction accuracy of 96% and 98%, respectively.
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